Ghanaian opposition candidate Nana Akufo-Addo has said he was "quietly confident" he won his country's election. The electoral commission has yet to release most results from Wednesday's vote.

The candidate for the New Patriotic Party (NPP), Nana Akufo-Addo, spoke of an impending victory on Thursday in the tense Ghanaian presidential election.

"We the NPP are quietly confident that we have won a famous and historic victory," Akufo-Addo told a cheering crowd of supporters.

He urged them to be patient while the votes are counted after the election on Wednesday. The electoral agency said they received preliminary results from 90 out of 275 constituencies, but have only formally published the results from 25 constituencies.

"Please be patient," said electoral commission head Charlotte Osei. "Accuracy is more important than speed."Local media organizations looked at publicly posted constituency results and reported Akufo-Addo was in the lead. PeaceFM reported Akufo-Addo was in the lead with 53.96 percent of the vote from just over half of the 275 constituencies. CitiFM gives Akufo-Addo the lead with 52.70 percent of the vote tallied from 104 constituencies.